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Finding the Fourth Proportional to 78,008.44, 107,651.50 and 42,198.48

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Solution

The fourth proportional to 78,008.44, 107,651.50 and 42,198.48 is: 58,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,008.44 : 107,651.50 = 42,198.48 : x
  2. Step 2: Convert to fraction form
    78,008.44/107,651.50 = 42,198.48/x
  3. Step 3: Cross multiply
    78,008.44x = 107,651.50 × 42,198.48
  4. Step 4: Simplify right side
    78,008.44x = 4,542,729,669.72
  5. Step 5: Solve for x
    x = 4,542,729,669.72/78,008.44
  6. Step 6: Final answer
    x = 58,233.82

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